Kobicha (#6B4423) and Rifle green (#444C38) appear together across 6 master palettes in our corpus, most prominently in the work of Henri Rousseau, Edouard Vuillard, and George Caleb Bingham and the Romanticism tradition. Painters typically deployed kobicha at an average of 19% of the canvas, with rifle green at 10%. Third colors most often completing the combination include Eerie black (#1B1B1B), Pine green (#2A2F23), and Bistre (#3D2B1F).